Home / 494,629.20-741,973.86-139,669.98

Finding the Fourth Proportional to 494,629.20, 741,973.86 and 139,669.98

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Solution

The fourth proportional to 494,629.20, 741,973.86 and 139,669.98 is: 209,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,629.20 : 741,973.86 = 139,669.98 : x
  2. Step 2: Convert to fraction form
    494,629.20/741,973.86 = 139,669.98/x
  3. Step 3: Cross multiply
    494,629.20x = 741,973.86 × 139,669.98
  4. Step 4: Simplify right side
    494,629.20x = 103,631,474,186.72
  5. Step 5: Solve for x
    x = 103,631,474,186.72/494,629.20
  6. Step 6: Final answer
    x = 209,513.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.